[INFO] updating cached repository https://github.com/rust-lang-ja/rust-by-example-ja
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e2b18c72aa14dc978e3f3a849bc46f6448b9c9fd
[INFO] checking rust-lang-ja/rust-by-example-ja against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-ja%2Frust-by-example-ja" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang-ja/rust-by-example-ja on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rust-lang-ja/rust-by-example-ja
[INFO] finished tweaking git repo https://github.com/rust-lang-ja/rust-by-example-ja
[INFO] tweaked toml for git repo https://github.com/rust-lang-ja/rust-by-example-ja written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-lang-ja/rust-by-example-ja already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 384af3628c57a2810c2bd29948c9b37490d18d883bb08787f7f0c0b5278d6e65
[INFO] running `"docker" "start" "-a" "384af3628c57a2810c2bd29948c9b37490d18d883bb08787f7f0c0b5278d6e65"`
[INFO] [stderr]     Checking update v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/markdown.rs:68:40
[INFO] [stderr]    |
[INFO] [stderr] 68 |                     let src = captures.at(1).unwrap();
[INFO] [stderr]    |                                        ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]    --> src/markdown.rs:105:40
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     let src = captures.at(1).unwrap();
[INFO] [stderr]     |                                        ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/markdown.rs:68:40
[INFO] [stderr]    |
[INFO] [stderr] 68 |                     let src = captures.at(1).unwrap();
[INFO] [stderr]    |                                        ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]    --> src/markdown.rs:105:40
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     let src = captures.at(1).unwrap();
[INFO] [stderr]     |                                        ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]    --> src/markdown.rs:144:44
[INFO] [stderr]     |
[INFO] [stderr] 144 |                     let srcbase = captures.at(1).unwrap();
[INFO] [stderr]     |                                            ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]    --> src/markdown.rs:144:44
[INFO] [stderr]     |
[INFO] [stderr] 144 |                     let srcbase = captures.at(1).unwrap();
[INFO] [stderr]     |                                            ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `update`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `update`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "384af3628c57a2810c2bd29948c9b37490d18d883bb08787f7f0c0b5278d6e65"`
[INFO] running `"docker" "rm" "-f" "384af3628c57a2810c2bd29948c9b37490d18d883bb08787f7f0c0b5278d6e65"`
[INFO] [stdout] 384af3628c57a2810c2bd29948c9b37490d18d883bb08787f7f0c0b5278d6e65